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Class 12 · Chemistry
→A solution has boiling point \(100.4^{\circ}C\) and pure solvent has boiling point \(100^{\circ}C\). What is \(\Delta T_b\)?
Class 12 · Chemistry
→A solution has freezing point \(-0.6^{\circ}C\) and pure solvent has freezing point \(0^{\circ}C\). What is \(\Delta T_f\)?
Class 12 · Chemistry
→If molality is 0.4 and Kf = 2.0, what is ΔTf?
Class 12 · Chemistry
→If 0.2 mole solute is dissolved in 500 gram solvent, what is the molality?
Class 12 · Chemistry
→If 0.1 mole of a non-electrolyte solute is dissolved in 1 kilogram solvent, what is the molality?
Class 12 · Chemistry
→Which method is relatively convenient for determining molar mass of large biomolecules?
Class 12 · Chemistry
→If ΔTb is observed lower than expected, which possibility is more suitable?
Class 12 · Chemistry
→If ΔTf is observed greater than expected, which possibility is more suitable?
Class 12 · Chemistry
→If \(p_1^0 = 120\) and \(p = 108\), what is the relative lowering of vapour pressure?
Class 12 · Chemistry
→If pure vapour pressure of solvent is 100 and mole fraction of solvent is 0.8, what is the vapour pressure of solution?
Class 12 · Chemistry
→Which statement shows the correct use of Raoult's law?
Class 12 · Chemistry
→If mole fraction of solute is (0.05), what is the relative lowering of vapour pressure for a solution with non-volatile solute?
Class 12 · Chemistry
→If moles of solute are (0.2) and total moles are (1.0), what is the mole fraction of solute?
Class 12 · Chemistry
→If a solution has higher osmotic pressure at the same temperature, what can be said about it?
Class 12 · Chemistry
→If a cell is placed in a hypertonic solution, in which direction will net water flow?
Class 12 · Chemistry
→Which statement is correct for isotonic solutions?
Class 12 · Chemistry
→At the same temperature, osmotic pressures of two solutions are in the ratio (2:3). What is the ratio of their molar concentrations?
Class 12 · Chemistry
→If \(C = 0.1\), \(R = 0.082\) and \(T = 300\), what is the value of \(\pi\)?
Class 12 · Chemistry
→For which type of solution is π = CRT more suitable?
Class 12 · Chemistry
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